题目内容
【题目】I found it __________ the purport of his speech.
A. was difficult to understand
B. difficult to understand
C. difficult understand
D. both A and B
【答案】D
【解析】若选A是宾语从句,要用系动词was;若选B,不需要系动词was,是因为形容词difficult在此做宾补.
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